CTXRULE Index Parameters

Table 2-48 lists the default parameters that are used when you create a CTXRULE index with CREATE INDEX and do not specify any parameters in the parameter string. The CTXRULE index supports only the lexer, storage, stoplist, and wordlist parameters. Each default parameter names a system-defined preference.

Table 48 Default CTXRULE Index Parameters

Parameter Used When Default Value
DEFAULT_CTXRULE_LEXER No lexer preference specified in parameter clause of CREATE INDEX. CTXSYS.DERAULT_LEXER
DEFAULT_CTXRULE_STORAGE No storage preference specified in parameter clause of CREATE INDEX. CTXSYS.DEFAULT_STORAGE
DEFAULT_CTXRULE_STOPLIST No stoplist specified in parameter clause of CREATE INDEX. CTXSYS.DEFAULT_STOPLIST
DEFAULT_CTXRULE_WORDLIST No wordlist preference specified in parameter clause of CREATE INDEX. CTXSYS.DEFAULT_WORDLIST
DEFAULT_CLASSIFIER No classifier preference is specified in parameter clause. RULE_CLASSIFIER

See Also: “System-Defined Preferences”

CTXRULE Index Limitations

The CTXRULE index does not support the following query operators:

It also does not support the following BASIC_WORDLIST attributes: